Fish Hydroacoustics Project
ETC5543 – Business Analytics Creative Activity
Dulitha Perera
5 October 2025
Title slide
This is our starting slide.
Intro
Goal
Data (F45–F170)
Two species (LT vs SMB)
Why fish hydroacoustics?
Non-invasive
monitoring
Management:
distinguish
LT
vs
SMB
Question:
can the
FRC (45–170 kHz)
classify species?
Outcome:
scalable pipeline for species ID & trends
About the dataset
~
30k
rows ×
302
variables; two species (
LT
,
SMB
)
Processed in
Echoview
Signals:
F45–F170
(Frequency Response Curve)
Context: morphometrics, depth, speed, orientation
Focus today:
frequency data only
for classification
Acoustic fingerprints: the Frequency Response Curve (FRC)
Different echoes (45–170 kHz)
→ the
FRC
Species show
distinct curve shapes
Hypothesis:
FRC alone
can separate LT vs SMB
Figure 1